The opening book of the very last story arc of epic, multimillion-selling The Girl in the Box series finds Sienna Nealon at peace. Far from the outside world, where the events of the day can barely reach her, she lingers on a beach with the one she loves. Until, of course, everything goes to hell, and her presence is needed to keep it from slipping into utter oblivion. For an old foe has set in motion a final revenge, one that will leave her world devastated, and her nation in ruins. Can Sienna discover the elements of the plot in time? Or will she fail all those she loves?